D-Net

fixes for cris

added class to perform repository validity checks

*beta CRIS support
*added crisProvider and crisListener
*updated packages to support cris
*providers are now created using spring

introduced new providersManager
removed registry for providers
added ehcache

validator manager updated to use dao from uoa-validator-commons
dnet provider moved to providers

DAO package moved to uoa-validator-commons
parent reverted to snapshot for development

updated to support registration without set

validator as a workflow is now working
updated DnetProvider,MemoryThreadValidator and ThreadExecutorSubmitter to support parallel execution
added support for executing workflow jobs in parallel
score and job results is now calculated in memory and not in database...